. The street railway review . g Laidlaw-Uunn-(Jorrlon air pump and jet con-denser, placed in the condenser pit. ihc suction is taken from aa cold well just outside of building, which is supplied by gravity fri nithe artificial lake; the lift to the pump is 6 ft. The discharge iselevated alKMil 2 ft. and i» delivered lo a hoi well just out of Ihebuilding. The overflow from this well is returned to Ihe lake bygravity. Tlic sprayiiiK allachmenl of the conilenser is iiernianeni,and the vacuum is controlled by a ibroillr valve in the sitclion Inii-lieralcd from the engine room floor The vacuum obta
. The street railway review . g Laidlaw-Uunn-(Jorrlon air pump and jet con-denser, placed in the condenser pit. ihc suction is taken from aa cold well just outside of building, which is supplied by gravity fri nithe artificial lake; the lift to the pump is 6 ft. The discharge iselevated alKMil 2 ft. and i» delivered lo a hoi well just out of Ihebuilding. The overflow from this well is returned to Ihe lake bygravity. Tlic sprayiiiK allachmenl of the conilenser is iiernianeni,and the vacuum is controlled by a ibroillr valve in the sitclion Inii-lieralcd from the engine room floor The vacuum obtainid iswilhin 2 in. of barometer reading. thi top of the condenser chamber is placed an aiilonialic llirei-way valve which will throw the engine exhaust into the almospherein ra*e of loss of vacuum, closing ibe opening into Ihe condenser The boiler feed pumps are 10x6x10 in., outside center packed,of Laidlow-Duini-Gordon make, with .^ole plates, and are crossconnected in such a manner thai either or both can tieli\er lo lNIr,S. or all boilers, and the siiclirjii is cross-connecled so ihal one canilraw from the healer svbile the other works from hoi well or coldwell, or vice versa. 528 RAILWAY REVIEW. I Vol. XIII. No. 8. I he piping i-spi-cinlly llt^igllr(l to ptuvide fur , drain-age and ncceKsil>iliiy. Tlic header is near tlic Hoor line oflioilcr rcioni. and Ix-low the lloor line if engine room. It is 14 in. indiameter and is in two sections. The connections between the boilersand header are of extra heavy lo-in. pipe, with lung radius connections from the header to the engines are 8 in. in diameterand are below the floor line of engine room; the leads to enginesabove floor line have long radius goose neck licnds. The valves areof the outside screw and yoke type, and were built for 250 lbpressure; the stcampipc and fittings arc all extra heavy. The headeris drained by two 2-in. steam traps, discharging to a Worlhingt
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
